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Search term:"fungicides"

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12 matches found for fungicides

HPLC Analysis of Tebuconazole Enantiomers on Astec(R) Cellulose DMP in Normal Phase Mode

Analysis Note The fungicide tebuconazole is a chiral molecule, comprising two enantiomers. Enantioselective influences of chiral pesticides and their metabolites on ecosystems is an area of great importance. The possibility that only one enantiomer has the wanted properties and/or the other form an ...

HPLC Analysis of Metalaxyl Enantiomers on Astec® Cellulose DMP

column Astec Cellulose DMP, 25 cm x 4.6 mm I.D., 5 µm particles (51099AST) column temp. 25 °C mobile phase [A] ethanol; [B] hexane, (25:75, A:B) flow rate 1.0 mL/min pressure 740 psi (51 bar) sample 1 mg/mL in ethanol injection 10 µL detector UV, 220 nm Analysis Note Metalaxyl is a 1:1 mixture of ®-...

UHPLC Analysis of Nucleosides on Purospher® STAR RP-18 endcapped

column Hibar Purospher® STAR RP-18 endcapped, 150 x 4.6 mm, 3 μm (1.50470.0001) column temp. 25 °C mobile phase [A] 30 mM ammonium phosphate, pH 5.3 with ammonium hydroxide in water; [B] Methanol; 97.5 [A] / 2.5 [B] flow rate 1.0 mL/min pressure 3060 psi 211 Bar sample 5 μg/mL of 12 nucleosides in 9...

HPLC Analysis of Tetraconazole Enantiomers on Astec(R) Cellulose DMP in Normal Phase Mode

Analysis Note The fungicide tetraconazole is a chiral molecule, comprising two enantiomers. Enantioselective influences of chiral pesticides and their metabolites on ecosystems is an area of great importance. The possibility that only one enantiomer has the wanted properties and/or the other form an...

HPLC Analysis of Benalaxyl Enantiomers on Astec(R) Cellulose DMP in Normal Phase Mode

Analysis Note Benalaxyl is a fungicide used to protect a variety of crops, including potatoes and grapes. It is a chiral compound, comprising two enantiomers. Enantioselective influences of chiral pesticides, like Benalaxyl, and their metabolites on ecosystems is an area of great importance. The pos...

Determination of Malachite Green and Leucomalachite Green in Salmon Using Chromolith HighResolution RP-18 with UV Detection

Malachite green (MG) is an effective topical fungicide used in the aquaculture industry. MG absorbed by fish tissue is metabolically reduced to leucomalachite green (LMG), which is lipophilic and can be stored in edible fish tissue for an extended period of time. This application focusses on HPLC te...

HPLC Analysis of a Metalaxyl Enantiomers on Kromasil® AmyCoat®

column Kromasil AmyCoat, 25 cm x 4.6 mm I.D., 5 µm particles (K08670348) column temp. 25 °C mobile phase [A] ethanol; [B] hexane, (25:75, A:B) flow rate 1 mL/min pressure 943 psi (65 bar) sample 1 mg/mL in ethanol injection 10 µL detector UV, 220 nm Analysis Note Metalaxyl is a 1:1 mixture of ®- and...

SFC Analysis of Metalaxyl Enantiomers on Astec® Cellulose DMP

column Astec Cellulose DMP, 15 cm x 4.6 mm I.D., 5 µm particles (51098AST) column temp. 35 °C mobile phase 20% methanol in CO2 flow rate 3 mL/min pressure 1450 psi (100 bar) sample 1 mg/mL in methanol injection 5 µL detector UV, 220 nm Analysis Note Metalaxyl is a 1:1 mixture of ®- and (S)-2-[(2,6-d...

LC/MS/MS Analysis of Carbendazim in Orange Juice (Spiked) on Ascentis® Express C18 after Supel™ QuE PSA/C18 QuEChERS Cleanup

sample preparation Dispersive (QuEChERS) sample/matrix orange juice spiked with carbendazim at 1 ppb extraction tube Supel™ QuE Citrate (EN) Tube (55227-U) extraction process add 10 mL of orange juice with pulp to a 50 mL empty extraction tube (55248-U); add carbendazim at 1 ppb; add 10 mL acetonitr...

LC/MS Analysis of Nucleosides on Ascentis® Express F5

column Ascentis Express F5, 15 cm x 2.1 mm I.D., 2.7 µm particles, 90Ã… (53571-U) column temp. 15 °C mobile phase [A] 5 mM ammonium acetate, pH 5.5 with acidic acid in water; [B] Methanol gradient hold at 0% for 6 min; to 50% B in 4 min; hold at 50% B for 4 min; to 0% B in 0.1 min; to hold at 0% B f...

HPLC Analysis of Benalaxyl Enantiomers on Astec CYCLOBOND(R) I 2000 HP-RSP in Reversed Phase Mode

Analysis Note Benalaxyl is a fungicide used to protect a variety of crops, including potatoes and grapes. It is a chiral compound, comprising two enantiomers. Enantioselective influences of chiral pesticides, like Benalaxyl, and their metabolites on ecosystems is an area of great importance. The pos...

Determination of Dehydroacetic acid in Bread using HPLC with UV detection following the Chinese National Standard (GB) Method

Dehydroacetic acid is an organic compound which has several industrial applications. It can be used as a plasticizer in synthetic resins; as a fungicide or bactericide; but also as a food preservative (E265). This application focus on testing Dehydroacetic acid in bread using a Discovery® HS C18 HPL...